hi,
I am having a weird prob. with sendmail-8.13.1-2 (RHEL4). Some mails are
getting stuck in the queue for long times in locked state.
On searching for the issue, I found that processes are stuck on a select
call. This file descriptor for all the stuck processes is to the same socket
to the ldap daemon. I have pasted the lsof output for the processes below.
Restarting the ldap service delivers the mails immediately. This problem is
happening only to some of the mails intermittently. There is no other
pattern except that the select hangs on the fd of the ldap socket. Debug log
for ldap shows that all queries are responded and socket in open state.
Please help me in sorting out this issue.
thanks,
--
Satya Prasad
PROCESS 1
sendmail 9362 root 4uW REG 8,3 1683 6031070
/var/spool/mqueue/qflAS7JaPP009216
sendmail 9362 root 5u IPv4 11155277 TCP
XXXX.XX.XX:33724->XXXX.XX.XX:ldap (ESTABLISHED)
sendmail 9362 root 7r REG 8,3 12288 6848586
/etc/mail/virtusertable.db
PROCESS 2
sendmail 9383 root 3u unix 0xf668ca80 11154986 socket
sendmail 9383 root 4uW REG 8,3 1310 6031102
/var/spool/mqueue/qflAS7JaPQ009216
sendmail 9383 root 5u IPv4 11155277 TCP
XXXX.XX.XX:33724->XXXX.XX.XX:ldap (ESTABLISHED)
sendmail 9383 root 7r REG 8,3 12288 6848586
/etc/mail/virtusertable.db
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